National Overview - July 2004


NCDC transitioned to the nClimDiv dataset on Thursday, March 13, 2014. This was coincident with the release of the February 2014 monthly monitoring report. For details on this transition, please visit our public FTP site and our U.S. Climate Divisional Database site.

Maps and Graphics:

July Most Recent 3 Months Most Recent 6 Months
Annual summary for 2003 Most Recent 12 Months US Percent Area Very Wet/Dry/Warm/Cold

It should be emphasized that all of the temperature and precipitation ranks and values are based on preliminary data. The ranks will change when the final data are processed, but will not be replaced on these pages. Graphics based on final data are available on this page: http://www.ncdc.noaa.gov/temp-and-precip/maps.php

For graphics covering periods other than those mentioned above or for tables of national, regional, and statewide data from 1895-present, for July, last 3 months or other periods, please go to the Climate At A Glance page
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National Overview:

July:

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Monthly and Seasonal Highlights:

National:

  • July 2004 ranked as the 29th coldest July in the 1895 to present record. The preliminary nationally averaged temperature was 73.6°F (23.1°C), which was 0.7°F (0.4°C) below the long-term mean.
  • July 2004 was near average for precipitation nationally, ranking 39th wettest.

    For tables of national, regional, and statewide data from 1895-present, for July, last 3 months or other periods, please go to the Climate At A Glance page

  • May-July temperature was near average and ranked as the 49th warmest such period in the 1895 to present record. The preliminary nationally averaged temperature for May-July was 68.4°F (20.2°C) which was 0.2°F (0.1°C) above the long-term mean.
  • May-July was much above average for precipitation, ranking 9th wettest in the last 110 years.

  • The August 2003-July 2004 temperature was much above average and ranked as the 10th warmest such period in the 1895 to present record. The preliminary nationally averaged temperature was 53.9°F (12.2°C) which was 1.1°F (0.6°C) above the long-term mean.
  • Precipitation was above average for August-July, ranking 35th wettest for the last 12 months based on a record of 109 such periods.

    Regional and Statewide:

  • July 2004 temperatures ranked much above average for 2 states (NV and WA), while a further 6 were above average and 24 states were below average.
  • Alaska temperatures were record warm for July with an anomaly of 3.2°F (1.8°C). This follows a record warm June and May, and the last 3 months was therefore also record warm with an anomaly of 4.3°F (2.4°C).
  • July was record wet for New York and Pennsylvania and much wetter than average for 4 other states.
  • The 3 month period, May-July, was much warmer than average for 6 states including Nevada, which had its second warmest May-July period.
  • May-July 2004 was dry for parts of the West and Southwest, while wetter than average conditions prevailed across much of the South to the Northeast. Louisiana and Mississippi had their third wettest May-July statewide.
  • The last 12 months were much warmer than average for 10 western states. Much of the rest of the nation also had above average temperature, but temperatures in the Southeast and parts of the Northeast remained near average.
  • The last 12 months were record wet for 2 eastern states (PA and WV). Dry conditions prevailed across much of the Rocky Mountains, upper Midwest and parts of the Southeast.

    See NCDC's Monthly Extremes web-page for weather and climate records for the month of July.

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It should be emphasized that all of the temperature and precipitation ranks and values are based on preliminary data. The ranks will change when the final data are processed, but will not be replaced on these pages. Graphics based on final data are available on this page: http://www.ncdc.noaa.gov/temp-and-precip/maps.php

Citing This Report

NOAA National Climatic Data Center, State of the Climate: National Overview for July 2004, published online August 2004, retrieved on October 1, 2014 from http://www.ncdc.noaa.gov/sotc/national/2004/7.